Example usage for org.apache.hadoop.io DoubleWritable DoubleWritable

Introduction

In this page you can find the example usage for org.apache.hadoop.io DoubleWritable DoubleWritable.

Prototype

public DoubleWritable(double value)

Source Link

Usage

From source file:org.goldenorb.types.message.SampleDoubleMessageTest.java

License:Apache License

@Test
public void testRPC() {
    DoubleMessage dm1 = client.sendAndReceiveMessage(dm0, DESTINATION_VALUE, new DoubleWritable(MESSAGE_VALUE));
    assertTrue(dm0.get() == client.getMessage().get());
    assertEquals(dm0.getDestinationVertex(), client.getMessage().getDestinationVertex());
    assertEquals(dm1.getDestinationVertex(), DESTINATION_VALUE);
    assertTrue(((DoubleWritable) dm1.getMessageValue()).get() == MESSAGE_VALUE);
}

From source file:org.huahinframework.core.io.RecordTest.java

License:Apache License

@Test
public void testGroupingDoubleWritable() {
    Record record = new Record();
    DoubleWritable o = new DoubleWritable(10.0);
    record.addGrouping("Object", o);
    assertEquals(record.getGroupingDoubleWritable("Object"), o);
    assertEquals(record.getGroupingDoubleWritable("Object2"), null);

    try {//from w  ww .j  a  v  a  2  s  .c om
        record.getGroupingInteger("Object");
        fail("fail ClassCastException");
    } catch (Exception e) {
        assertTrue(e instanceof ClassCastException);
    }
}

From source file:org.huahinframework.core.io.RecordTest.java

License:Apache License

@Test
public void testValueDoubleWritable() {
    Record record = new Record();
    DoubleWritable o = new DoubleWritable(10.0);
    record.addValue("Object", o);
    assertEquals(record.getValueDoubleWritable("Object"), o);
    assertEquals(record.getValueDoubleWritable("Object2"), null);

    try {//from w ww  . j  a  va 2  s  .c  o  m
        record.getValueIntWritable("Object");
        fail("fail ClassCastException");
    } catch (Exception e) {
        assertTrue(e instanceof ClassCastException);
    }
}

From source file:org.huahinframework.core.util.ObjectUtil.java

License:Apache License

/**
 * Convert the HadoopObject from Java primitive.
 * @param object Java primitive object/*from   www  .ja  va2 s.  co m*/
 * @return HadoopObject
 */
public static HadoopObject primitive2Hadoop(Object object) {
    if (object == null) {
        return new HadoopObject(NULL, NullWritable.get());
    }

    if (object instanceof Byte) {
        return new HadoopObject(BYTE, new ByteWritable((Byte) object));
    } else if (object instanceof Integer) {
        return new HadoopObject(INTEGER, new IntWritable((Integer) object));
    } else if (object instanceof Long) {
        return new HadoopObject(LONG, new LongWritable((Long) object));
    } else if (object instanceof Double) {
        return new HadoopObject(DOUBLE, new DoubleWritable((Double) object));
    } else if (object instanceof Float) {
        return new HadoopObject(FLOAT, new FloatWritable((Float) object));
    } else if (object instanceof Boolean) {
        return new HadoopObject(BOOLEAN, new BooleanWritable((Boolean) object));
    } else if (object instanceof String) {
        return new HadoopObject(STRING, new Text((String) object));
    } else if (object.getClass().isArray()) {
        return arrayPrimitive2Hadoop(object);
    } else if (object instanceof Collection<?>) {
        Collection<?> collection = (Collection<?>) object;
        return arrayPrimitive2Hadoop(collection.toArray());
    } else if (object instanceof Map<?, ?>) {
        Map<?, ?> map = (Map<?, ?>) object;
        if (map.size() == 0) {
            throw new ClassCastException("object not found");
        }

        MapWritable mapWritable = new MapWritable();
        for (Entry<?, ?> entry : map.entrySet()) {
            mapWritable.put(primitive2Hadoop(entry.getKey()).getObject(),
                    primitive2Hadoop(entry.getValue()).getObject());
        }

        return new HadoopObject(MAP, mapWritable);
    }

    throw new ClassCastException("cast object not found");
}

From source file:org.huahinframework.core.util.ObjectUtilTest.java

License:Apache License

@Test
public void testPrimitive2HadoopIODouble() {
    double o = 123;
    HadoopObject ho = ObjectUtil.primitive2Hadoop(o);
    assertEquals(ObjectUtil.DOUBLE, ho.getType());
    assertEquals(new DoubleWritable(o), ho.getObject());
}

From source file:org.huahinframework.core.util.ObjectUtilTest.java

License:Apache License

@Test
public void testHadoopIO2PrimitiveDouble() {
    double o = 123;
    PrimitiveObject no = ObjectUtil.hadoop2Primitive(new DoubleWritable(o));
    assertEquals(ObjectUtil.DOUBLE, no.getType());
    assertEquals(o, no.getObject());//from ww w.j  ava 2s . c om
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleMaxAggregator.java

License:Apache License

@Override
public DoubleWritable getAggregatedValue() {
    return new DoubleWritable(max);
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleMinAggregator.java

License:Apache License

@Override
public DoubleWritable getAggregatedValue() {
    return new DoubleWritable(min);
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleOverwriteAggregator.java

License:Apache License

@Override
public DoubleWritable getAggregatedValue() {
    return new DoubleWritable(result);
}

From source file:org.openflamingo.mapreduce.aggregator.DoubleProductAggregator.java

License:Apache License

@Override
public DoubleWritable getAggregatedValue() {
    return new DoubleWritable(product);
}